[iOS] Deduplicate the "Delete" AccessibilityAction of ReadingList

The ReadingList cells used to have two "Delete" custom accessibility
actions: one from UIKit because it is possible to swipe-to-delete, the
other from the custome action set on the cell directly.
This CL removes the one set from the code, leaving only the UIKit one.

Bug: 985746
Change-Id: I873703cd65d09dfe8e2779ed4760f81c22812ba1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1715346
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Commit-Queue: Stepan Khapugin <stkhapugin@chromium.org>
Auto-Submit: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Stepan Khapugin <stkhapugin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#680026}

ios/chrome/browser/ui/reading_list/reading_list_list_item_accessibility_delegate.h

@@ -14,7 +14,6 @@
 // Returns whether the entry is read.
 - (BOOL)isItemRead:(id<ReadingListListItem>)item;
 
-- (void)deleteItem:(id<ReadingListListItem>)item;
 - (void)openItemInNewTab:(id<ReadingListListItem>)item;
 - (void)openItemInNewIncognitoTab:(id<ReadingListListItem>)item;
 - (void)openItemOffline:(id<ReadingListListItem>)item;

ios/chrome/browser/ui/reading_list/reading_list_list_item_custom_action_factory.mm

@@ -55,11 +55,6 @@
 
 - (NSArray<UIAccessibilityCustomAction*>*)customActionsForItem:
     (id<ReadingListListItem>)item {
-  ReadingListCustomAction* deleteAction = [[ReadingListCustomAction alloc]
-      initWithName:l10n_util::GetNSString(IDS_IOS_READING_LIST_DELETE_BUTTON)
-            target:self
-          selector:@selector(deleteItem:)
-              item:item];
   ReadingListCustomAction* toggleReadStatus = nil;
   if ([self.accessibilityDelegate isItemRead:item]) {
     toggleReadStatus = [[ReadingListCustomAction alloc]
@@ -97,7 +92,7 @@
               item:item];
 
   NSMutableArray* customActions = [NSMutableArray
-      arrayWithObjects:deleteAction, toggleReadStatus, openInNewTabAction,
+      arrayWithObjects:toggleReadStatus, openInNewTabAction,
                        openInNewIncognitoTabAction, copyURLAction, nil];
 
   if (item.distillationState == ReadingListUIDistillationStatusSuccess) {
@@ -117,11 +112,6 @@
   return customActions;
 }
 
-- (BOOL)deleteItem:(ReadingListCustomAction*)action {
-  [self.accessibilityDelegate deleteItem:action.item];
-  return YES;
-}
-
 - (BOOL)markRead:(ReadingListCustomAction*)action {
   [self.accessibilityDelegate markItemRead:action.item];
   return YES;

ios/chrome/browser/ui/reading_list/reading_list_table_view_controller.mm

@@ -359,13 +359,6 @@ ReadingListSelectionState GetSelectionStateForSelectedCounts(
   return [self.dataSource isItemRead:item];
 }
 
-- (void)deleteItem:(id<ReadingListListItem>)item {
-  TableViewModel* model = self.tableViewModel;
-  TableViewItem* tableViewItem = base::mac::ObjCCastStrict<TableViewItem>(item);
-  if ([model hasItem:tableViewItem])
-    [self deleteItemsAtIndexPaths:@[ [model indexPathForItem:tableViewItem] ]];
-}
-
 - (void)openItemInNewTab:(id<ReadingListListItem>)item {
   [self.delegate readingListListViewController:self
                               openItemInNewTab:item